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uk.telecom.voip (UK VOIP) (uk.telecom.voip) Discussion of topics relevant to packet based voice technologies including Voice over IP (VoIP), Fax over IP (FoIP), Voice over Frame Relay (VoFR), Voice over Broadband (VoB) and Voice on the Net (VoN) as well as service providers, hardware and software for use with these technologies. Advertising is not allowed.

Building a SIP spam rejecter



 
 
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  #21  
Old October 12th 19, 01:47 PM posted to uk.telecom.voip
David Woolley
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Posts: 113
Default Building a SIP spam rejecter

On 30/09/2019 13:47, Graham. wrote:
I was using figurative language to deride what will no doubt soon me
obsolete technology


I don't see any other current technology that gets close to it archival
properties, except for traditional print or stone carving. I don't know
how long it takes a disk to spontaneously demagnetise, but recordable
optical media and current generation charge storage seem to come with
lives of around ten or less years. The drive for higher densities, and
therefore less electrons per bit is likely to reduce the archival
properties of solid state storage.

(Punched cards, and to some extent, punched tape have very good storage
lifetimes, however their bulkiness means most of them have been thrown
away.)
  #22  
Old October 13th 19, 09:18 PM posted to uk.telecom.voip
[email protected]
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Posts: 42
Default Building a SIP spam rejecter

On Saturday, 12 October 2019 12:47:42 UTC+1, David Woolley wrote:
(Punched cards, and to some extent, punched tape have very good storage
lifetimes, however their bulkiness means most of them have been thrown
away.)


Microfiche is pretty good, lasts for 100+ years, and should be easily OCR-scannable in future, as well as being human-readable with very simple technology which we're unlikely to forget.

Owain

 




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